2 * Copyright (c) 2009 Mans Rullgard <mans@mansr.com>
4 * This file is part of Libav.
6 * Libav is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * Libav is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with Libav; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21 #include "libavutil/arm/asm.S"
23 function ff_add_pixels_clamped_armv6, export=1
27 ldm r0!, {r4,r5,r12,lr}
29 pkhbt r8, r4, r5, lsl #16
30 pkhtb r5, r5, r4, asr #16
31 pkhbt r4, r12, lr, lsl #16
32 pkhtb lr, lr, r12, asr #16
35 uxtab16 r5, r5, r6, ror #8
37 uxtab16 lr, lr, r7, ror #8
42 orr r6, r8, r5, lsl #8
43 orr r7, r4, lr, lsl #8
45 strd_post r6, r7, r1, r2